Steve just wanted his best friend back. He gets it, and it's not easier.

"Oh, he's said something, all right," Hill says. "The same thing, over and over again."
On the screen, Bucky lifts his head, jerking his chin up in defiance. Steve's seen him do it a thousand times before.
"Name, rank, and serial number," he guesses quietly.
"How'd you know?" Fury asks.
"It's him," Steve says. "It's really him, not the Winter Soldier. It's Bucky."